package com.ruoyi.sms;

import java.io.UnsupportedEncodingException;

import java.net.URLEncoder;

import java.security.KeyManagementException;

import java.security.NoSuchAlgorithmException;

import java.security.cert.X509Certificate;

import java.util.ArrayList;

import java.util.List;

import java.util.Map;



import javax.net.ssl.SSLContext;

import javax.net.ssl.TrustManager;

import javax.net.ssl.X509TrustManager;

import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpResponse;

import org.apache.http.NameValuePair;

import org.apache.http.client.HttpClient;

import org.apache.http.client.entity.UrlEncodedFormEntity;

import org.apache.http.client.methods.HttpDelete;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.client.methods.HttpPut;

import org.apache.http.conn.ClientConnectionManager;

import org.apache.http.conn.scheme.Scheme;

import org.apache.http.conn.scheme.SchemeRegistry;

import org.apache.http.conn.ssl.SSLSocketFactory;

import org.apache.http.entity.ByteArrayEntity;

import org.apache.http.entity.StringEntity;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.message.BasicNameValuePair;



public class SmsHttpUtils {

	

	/**

	 * get

	 * 

	 * @param host

	 * @param path

	 * @param method

	 * @param headers

	 * @param querys

	 * @return

	 * @throws Exception

	 */

	public static HttpResponse doGet(String host, String path, String method, 

			Map<String, String> headers, 

			Map<String, String> querys)

            throws Exception {    	

    	HttpClient httpClient = wrapClient(host);



    	HttpGet request = new HttpGet(buildUrl(host, path, querys));

        for (Map.Entry<String, String> e : headers.entrySet()) {

        	request.addHeader(e.getKey(), e.getValue());

        }

        

        return httpClient.execute(request);

    }

	

	/**

	 * post form

	 * 

	 * @param host

	 * @param path

	 * @param method

	 * @param headers

	 * @param querys

	 * @param bodys

	 * @return

	 * @throws Exception

	 */

	public static HttpResponse doPost(String host, String path, String method, 

			Map<String, String> headers, 

			Map<String, String> querys, 

			Map<String, String> bodys)

            throws Exception {    	

    	HttpClient httpClient = wrapClient(host);



    	HttpPost request = new HttpPost(buildUrl(host, path, querys));

        for (Map.Entry<String, String> e : headers.entrySet()) {

        	request.addHeader(e.getKey(), e.getValue());

        }



        if (bodys != null) {

            List<NameValuePair> nameValuePairList = new ArrayList<NameValuePair>();



            for (String key : bodys.keySet()) {

                nameValuePairList.add(new BasicNameValuePair(key, bodys.get(key)));

            }

            UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(nameValuePairList, "utf-8");

            formEntity.setContentType("application/x-www-form-urlencoded; charset=UTF-8");

            request.setEntity(formEntity);

        }



        return httpClient.execute(request);

    }	

	

	/**

	 * Post String

	 * 

	 * @param host

	 * @param path

	 * @param method

	 * @param headers

	 * @param querys

	 * @param body

	 * @return

	 * @throws Exception

	 */

	public static HttpResponse doPost(String host, String path, String method, 

			Map<String, String> headers, 

			Map<String, String> querys, 

			String body)

            throws Exception {    	

    	HttpClient httpClient = wrapClient(host);



    	HttpPost request = new HttpPost(buildUrl(host, path, querys));

        for (Map.Entry<String, String> e : headers.entrySet()) {

        	request.addHeader(e.getKey(), e.getValue());

        }



        if (StringUtils.isNotBlank(body)) {

        	request.setEntity(new StringEntity(body, "utf-8"));

        }



        return httpClient.execute(request);

    }

	

	/**

	 * Post stream

	 * 

	 * @param host

	 * @param path

	 * @param method

	 * @param headers

	 * @param querys

	 * @param body

	 * @return

	 * @throws Exception

	 */

	public static HttpResponse doPost(String host, String path, String method, 

			Map<String, String> headers, 

			Map<String, String> querys, 

			byte[] body)

            throws Exception {    	

    	HttpClient httpClient = wrapClient(host);



    	HttpPost request = new HttpPost(buildUrl(host, path, querys));

        for (Map.Entry<String, String> e : headers.entrySet()) {

        	request.addHeader(e.getKey(), e.getValue());

        }



        if (body != null) {

        	request.setEntity(new ByteArrayEntity(body));

        }



        return httpClient.execute(request);

    }

	

	/**

	 * Put String

	 * @param host

	 * @param path

	 * @param method

	 * @param headers

	 * @param querys

	 * @param body

	 * @return

	 * @throws Exception

	 */

	public static HttpResponse doPut(String host, String path, String method, 

			Map<String, String> headers, 

			Map<String, String> querys, 

			String body)

            throws Exception {    	

    	HttpClient httpClient = wrapClient(host);



    	HttpPut request = new HttpPut(buildUrl(host, path, querys));

        for (Map.Entry<String, String> e : headers.entrySet()) {

        	request.addHeader(e.getKey(), e.getValue());

        }



        if (StringUtils.isNotBlank(body)) {

        	request.setEntity(new StringEntity(body, "utf-8"));

        }



        return httpClient.execute(request);

    }

	

	/**

	 * Put stream

	 * @param host

	 * @param path

	 * @param method

	 * @param headers

	 * @param querys

	 * @param body

	 * @return

	 * @throws Exception

	 */

	public static HttpResponse doPut(String host, String path, String method, 

			Map<String, String> headers, 

			Map<String, String> querys, 

			byte[] body)

            throws Exception {    	

    	HttpClient httpClient = wrapClient(host);



    	HttpPut request = new HttpPut(buildUrl(host, path, querys));

        for (Map.Entry<String, String> e : headers.entrySet()) {

        	request.addHeader(e.getKey(), e.getValue());

        }



        if (body != null) {

        	request.setEntity(new ByteArrayEntity(body));

        }



        return httpClient.execute(request);

    }

	

	/**

	 * Delete

	 *  

	 * @param host

	 * @param path

	 * @param method

	 * @param headers

	 * @param querys

	 * @return

	 * @throws Exception

	 */

	public static HttpResponse doDelete(String host, String path, String method, 

			Map<String, String> headers, 

			Map<String, String> querys)

            throws Exception {    	

    	HttpClient httpClient = wrapClient(host);



    	HttpDelete request = new HttpDelete(buildUrl(host, path, querys));

        for (Map.Entry<String, String> e : headers.entrySet()) {

        	request.addHeader(e.getKey(), e.getValue());

        }

        

        return httpClient.execute(request);

    }

	

	private static String buildUrl(String host, String path, Map<String, String> querys) throws UnsupportedEncodingException {

    	StringBuilder sbUrl = new StringBuilder();

    	sbUrl.append(host);

    	if (!StringUtils.isBlank(path)) {

    		sbUrl.append(path);

        }

    	if (null != querys) {

    		StringBuilder sbQuery = new StringBuilder();

        	for (Map.Entry<String, String> query : querys.entrySet()) {

        		if (0 < sbQuery.length()) {

        			sbQuery.append("&");

        		}

        		if (StringUtils.isBlank(query.getKey()) && !StringUtils.isBlank(query.getValue())) {

        			sbQuery.append(query.getValue());

                }

        		if (!StringUtils.isBlank(query.getKey())) {

        			sbQuery.append(query.getKey());

        			if (!StringUtils.isBlank(query.getValue())) {

        				sbQuery.append("=");

        				sbQuery.append(URLEncoder.encode(query.getValue(), "utf-8"));

        			}        			

                }

        	}

        	if (0 < sbQuery.length()) {

        		sbUrl.append("?").append(sbQuery);

        	}

        }

    	

    	return sbUrl.toString();

    }

	

	private static HttpClient wrapClient(String host) {

		HttpClient httpClient = new DefaultHttpClient();

		if (host.startsWith("https://")) {

			sslClient(httpClient);

		}

		

		return httpClient;

	}

	

	private static void sslClient(HttpClient httpClient) {

        try {

            SSLContext ctx = SSLContext.getInstance("TLS");

            X509TrustManager tm = new X509TrustManager() {

                public X509Certificate[] getAcceptedIssuers() {

                    return null;

                }

                public void checkClientTrusted(X509Certificate[] xcs, String str) {

                	

                }

                public void checkServerTrusted(X509Certificate[] xcs, String str) {

                	

                }

            };

            ctx.init(null, new TrustManager[] { tm }, null);

            SSLSocketFactory ssf = new SSLSocketFactory(ctx);

            ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

            ClientConnectionManager ccm = httpClient.getConnectionManager();

            SchemeRegistry registry = ccm.getSchemeRegistry();

            registry.register(new Scheme("https", 443, ssf));

        } catch (KeyManagementException ex) {

            throw new RuntimeException(ex);

        } catch (NoSuchAlgorithmException ex) {

        	throw new RuntimeException(ex);

        }

    }

}